During the unloading of the freighter "Florida", West German dock workers discover napalm bombs instead of the specified precision machines - and a deceptive maneuver by the American occupying forces: the workers had already refused to unload the ship in France, where it was named "Chicago". It was refloated on the voyage to Germany. The German dockers also went on strike. Among them was Hein Jensen, who found it particularly difficult to take part. He had just found work again with difficulty. He needs the money because he wants to get married. His bride Helga has just given birth. When the Americans try to blackmail him into changing his colleagues' minds, he knows where his place is. The strike turns into a huge peace demonstration.

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